15-Puzzle HD

Classical sliding puzzle game, which invented in 1878. Puzzle consist of a frame of numbered square tiles in random order with one missing tile. The object of the puzzle is to place tiles in order(so that the numbers are in numerical order from left to right, top to bottom, with the space at the bottom right) by making sliding moves that use empty space.

Game has three frame sizes

3 х 3 (8 tiles) – easy mode for newbies and kids 4 х 4 (15 tiles) – classical frame size for all ages 5 х 5 (24 tiles) – for those who love to think

Features

3 difficulty levels (8, 15 and 24 tiles) Special mixing algorithm guarantees 100% puzzle solvability Realistic and animated sliding of tiles Timer and moves counter Friendly interface with two colored themes Google Play Game achievements Optimized for phones and tablets

Game is totally free!